MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43db3986f5dbf6c806753e512fa7b6c111a80660bd810b127cac971c1fe78fc9. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
RemcosRAT
Vendor detections: 20
| SHA256 hash: | 43db3986f5dbf6c806753e512fa7b6c111a80660bd810b127cac971c1fe78fc9 |
|---|---|
| SHA3-384 hash: | 7b4def00c3f19f0abf2f3da9f34ce535cfa655c22101ed654591fdd7b9b1636ef26b00e8afda4ce899edd9cfbe3cd970 |
| SHA1 hash: | e6378a0ee3bdd3b1ff69bf8f1ff1fcc598593615 |
| MD5 hash: | af5c189605cab21fbb027917323771f7 |
| humanhash: | earth-twenty-wyoming-uncle |
| File name: | file |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 616'960 bytes |
| First seen: | 2026-01-20 18:04:46 UTC |
| Last seen: | 2026-01-21 07:22:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 8b3e0763eddbb01367bd21396e110071 (4 x RemcosRAT) |
| ssdeep | 12288:7aMwmp7scoHvln/+iB9PQoYYUPGmdou5usyW:e7mScoHvln/+aPQoYDPGmd35o |
| Threatray | 100 similar samples on MalwareBazaar |
| TLSH | T191D45C99A3D441F4D077C234C9C24537E6B2B8056670462F03EB5E5B6F237A29F2EB26 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | BB1.file dropped-by-gcleaner exe f RemcosRAT |
Intelligence
File Origin
# of uploads :
5
# of downloads :
140
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Remcos
a version number and verbose configuration settings
Malware family:
remcos
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-01-20 18:06:52 UTC
Tags:
remcos rat auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
remcos proxy
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug cmd config-extracted crypto evasive exploit explorer fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos rescoms rundll32 windows
Verdict:
Malicious
Labled as:
Remcos.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-01-20T15:20:00Z UTC
Last seen:
2026-01-22T00:02:00Z UTC
Hits:
~100
Detections:
Trojan.Agent.UDP.C&C PDM:Trojan.Win32.Generic Trojan-Spy.Win64.Agent.sb HEUR:Trojan.Win64.Generic Backdoor.Win32.Androm Trojan-Dropper.Win32.Injector.sb Trojan.Win32.Agent.sb HEUR:Trojan.Win64.EDRBypass.a Backdoor.Win32.Remcos.sb
Malware family:
REMCOS
Verdict:
Malicious
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win64.Backdoor.Remcos
Status:
Malicious
First seen:
2026-01-20 18:10:13 UTC
File Type:
PE+ (Exe)
Extracted files:
8
AV detection:
31 of 38 (81.58%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 90 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost defense_evasion persistence rat trojan
Behaviour
Modifies registry class
Modifies registry key
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Executes dropped EXE
Adds policy Run key to start application
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
RogerKO-60423.portmap.io:60423
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965
Unpacked files
SH256 hash:
43db3986f5dbf6c806753e512fa7b6c111a80660bd810b127cac971c1fe78fc9
MD5 hash:
af5c189605cab21fbb027917323771f7
SHA1 hash:
e6378a0ee3bdd3b1ff69bf8f1ff1fcc598593615
Detections:
win_remcos_w0
Remcos
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Remcos_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Remcos Payload |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Gcleaner
Delivery method
Distributed via web download
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